<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
   <form action="1.html" method="POST">
      用户名:<input name="account"> <br>
      密码:<input type="password" name="pswd"> <br>
      角色: <input type="radio" name="role" value="teacher"> 老师
            <input type="radio" name="role" value="student"> 学生
            <br>
      <button>提交</button>
   </form>
</body>
</html>